Translated missing strings
Added new translation - Scottish Gaelic (Gàidhlig, gd)
Added missing gd terms
Merge pull request #887 from Wuzzy2/master

Translated missing German strings of the engine
Removed BOM
Merge pull request #888 from gunchleoc/master

Added new translation - Scottish Gaelic (Gàidhlig, gd)
Small translation update
Some translation bugfixes for gd
Merge pull request #889 from gunchleoc/master

Translation fixes for gd